Question

a) What temperature in kelvin scale is equal to 50
Oc?

b) Describe an activity to show that the rate of evaporation increases with
surface area.
c) State two differences between evaporation and boiling.

Answer 1

Explanation:

a ). 50 +273= 373 K

b). Observe. evaporation of water in a glass and on floor

c). i. evaporation occurs through surface of liquid

whereas boiling occurs throughout the liquid .

ii. evaporation. leads to cooling

but boiling does not leads to cooling